JP6557272B2 - 状態判定装置 - Google Patents

状態判定装置 Download PDF

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Publication number
JP6557272B2
JP6557272B2 JP2017064774A JP2017064774A JP6557272B2 JP 6557272 B2 JP6557272 B2 JP 6557272B2 JP 2017064774 A JP2017064774 A JP 2017064774A JP 2017064774 A JP2017064774 A JP 2017064774A JP 6557272 B2 JP6557272 B2 JP 6557272B2
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Japan
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state
injection molding
molding machine
learning
unit
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Japanese (ja)
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JP2018167424A (ja
Inventor
裕泰 浅岡
裕泰 浅岡
淳史 堀内
淳史 堀内
顕次郎 清水
顕次郎 清水
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FANUC Corp
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FANUC Corp
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Priority to JP2017064774A priority Critical patent/JP6557272B2/ja
Priority to DE102018106808.5A priority patent/DE102018106808B4/de
Priority to US15/933,245 priority patent/US20180281256A1/en
Priority to CN201810273079.3A priority patent/CN108688105B/zh
Publication of JP2018167424A publication Critical patent/JP2018167424A/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/768—Detecting defective moulding conditions
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048—Monitoring; Safety
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
    • G05B23/0254—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model based on a quantitative model, e.g. mathematical relationships between inputs and outputs; functions: observer, Kalman filter, residual calculation, Neural Networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76006—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/7604—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76083—Position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76163—Errors, malfunctioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76177—Location of measurement
    • B29C2945/76224—Closure or clamping unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76929—Controlling method
    • B29C2945/76939—Using stored or historical data sets
    • B29C2945/76949—Using stored or historical data sets using a learning system, i.e. the system accumulates experience from previous occurrences, e.g. adaptive control
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2624—Injection molding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/80—Management or planning

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Computing Systems (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Medical Informatics (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP2017064774A 2017-03-29 2017-03-29 状態判定装置 Active JP6557272B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017064774A JP6557272B2 (ja) 2017-03-29 2017-03-29 状態判定装置
DE102018106808.5A DE102018106808B4 (de) 2017-03-29 2018-03-22 Zustandsbestimmungsvorrichtung
US15/933,245 US20180281256A1 (en) 2017-03-29 2018-03-22 State determination apparatus
CN201810273079.3A CN108688105B (zh) 2017-03-29 2018-03-29 状态判定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017064774A JP6557272B2 (ja) 2017-03-29 2017-03-29 状態判定装置

Publications (2)

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JP2018167424A JP2018167424A (ja) 2018-11-01
JP6557272B2 true JP6557272B2 (ja) 2019-08-07

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US (1) US20180281256A1 (de)
JP (1) JP6557272B2 (de)
CN (1) CN108688105B (de)
DE (1) DE102018106808B4 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3482900B1 (de) 2017-11-09 2021-06-09 Ricoh Company, Ltd. Partikel zum "solid freeform" herstellungsverfahren
JP6787971B2 (ja) * 2018-10-25 2020-11-18 ファナック株式会社 状態判定装置及び状態判定方法
US11119716B2 (en) * 2018-10-31 2021-09-14 Fanuc Corporation Display system, machine learning device, and display device
JP7021052B2 (ja) * 2018-11-06 2022-02-16 株式会社東芝 製品状態推定装置
JP7200621B2 (ja) * 2018-11-22 2023-01-10 セイコーエプソン株式会社 電子機器
US11403535B2 (en) * 2018-12-21 2022-08-02 Industrial Technology Research Institute Model-based machine learning system
WO2020170304A1 (ja) * 2019-02-18 2020-08-27 日本電気株式会社 学習装置及び方法、予測装置及び方法、並びにコンピュータ可読媒体
JP6943909B2 (ja) * 2019-03-06 2021-10-06 ファナック株式会社 射出成形機の管理システム及び射出成形機の集中管理システム
CN113544599A (zh) * 2019-03-15 2021-10-22 3M创新有限公司 执行过程并优化在该过程中使用的控制信号的方法
JP7277272B2 (ja) * 2019-06-11 2023-05-18 ファナック株式会社 機械学習装置、予測装置、及び制御装置
JP2021015573A (ja) * 2019-07-16 2021-02-12 ファナック株式会社 異常判定装置及び異常判定システム
CN110435105A (zh) * 2019-08-12 2019-11-12 上海智引信息科技有限公司 基于品质信息实现塑料成型最优工艺参数智能推荐控制的系统及其方法
JP7344754B2 (ja) * 2019-10-23 2023-09-14 株式会社日本製鋼所 学習モデル生成方法、コンピュータプログラム、設定値決定装置、成形機及び成形装置システム
JP7332438B2 (ja) 2019-11-05 2023-08-23 ファナック株式会社 診断装置
US20220388215A1 (en) * 2019-11-08 2022-12-08 Ls Mtron Ltd. Artificial intelligence-based injection molding system, and method for creating molding conditions
US11900223B2 (en) 2019-12-20 2024-02-13 Westinghouse Electric Company Llc Device and method for monitoring a system
JP7326177B2 (ja) * 2020-01-31 2023-08-15 住友重機械工業株式会社 射出成形機の調整装置、及び射出成形機
JP7391737B2 (ja) * 2020-03-18 2023-12-05 住友重機械工業株式会社 射出成形機、産業機械
JP7483436B2 (ja) * 2020-03-23 2024-05-15 住友重機械工業株式会社 射出成形機及びステータス決定装置
JP7391751B2 (ja) * 2020-03-31 2023-12-05 住友重機械工業株式会社 管理装置
CN115469597A (zh) * 2021-03-02 2022-12-13 巨宝馨机械(苏州)有限公司 一种用于eps和epp成型设备产品重量智能调适方法
EP4305584A1 (de) * 2021-03-10 2024-01-17 Services Pétroliers Schlumberger Verfahren und systeme zur betriebsüberwachung einer physischen anlage mittels intelligenter ereigniserkennung
US11636752B2 (en) * 2021-04-26 2023-04-25 Rockwell Automation Technologies, Inc. Monitoring machine operation with different sensor types to identify typical operation for derivation of a signature
CN113642618B (zh) * 2021-07-27 2024-03-01 上海展湾信息科技有限公司 一种用于螺杆装置状态预测模型训练的方法及设备
CN117245874B (zh) * 2023-11-14 2024-04-02 广东美的制冷设备有限公司 注塑品质检测方法、装置、注塑机、设备及存储介质

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671335A (en) * 1991-05-23 1997-09-23 Allen-Bradley Company, Inc. Process optimization using a neural network
JP3080617B1 (ja) 1999-07-19 2000-08-28 ファナック株式会社 射出成形機の金型保護装置
JP3441680B2 (ja) 1999-07-28 2003-09-02 ファナック株式会社 射出成形機のエジェクタ制御装置
JP4512462B2 (ja) * 2004-09-24 2010-07-28 東芝機械株式会社 成形機の制御システム
JP4499601B2 (ja) 2005-04-01 2010-07-07 日精樹脂工業株式会社 射出成形機の制御装置
JP3947543B2 (ja) * 2005-04-11 2007-07-25 株式会社日本製鋼所 射出成形機用の温度制御装置および温度制御方法
EP1927912B1 (de) * 2005-09-22 2012-11-28 Sumitomo Heavy Industries, Ltd. Produktionsstatusanzeige und produktionsstatusanzeigeverfahren für eine spritzgiessmaschine
JP5398361B2 (ja) * 2009-06-01 2014-01-29 株式会社日立製作所 データ分析システム
JP2015074102A (ja) * 2013-10-07 2015-04-20 ファナック株式会社 圧力異常を検出する射出成形装置
CN103737878B (zh) * 2013-12-27 2014-12-31 华中科技大学 一种注塑缺陷在线修正方法及注塑机
CN104441526B (zh) * 2014-09-24 2016-10-19 上海智觉光电科技有限公司 基于外形轮廓匹配的模具在线监视保护系统及方法
US10599501B2 (en) * 2015-03-17 2020-03-24 Nec Corporation Information processing device, information processing method, and recording medium
JP5964488B1 (ja) * 2015-07-31 2016-08-03 ファナック株式会社 保護動作制御部を有するモータ制御装置、ならびに機械学習装置およびその方法
JP6294268B2 (ja) * 2015-07-31 2018-03-14 ファナック株式会社 射出成形機の異常診断装置
JP6522488B2 (ja) * 2015-07-31 2019-05-29 ファナック株式会社 ワークの取り出し動作を学習する機械学習装置、ロボットシステムおよび機械学習方法
JP6148316B2 (ja) * 2015-07-31 2017-06-14 ファナック株式会社 故障条件を学習する機械学習方法及び機械学習装置、並びに該機械学習装置を備えた故障予知装置及び故障予知システム
JP5956662B1 (ja) * 2015-07-31 2016-07-27 ファナック株式会社 電源回生を調整するモータ制御装置、順変換器の制御装置、ならびに機械学習装置およびその方法
JP6055058B1 (ja) * 2015-09-30 2016-12-27 ファナック株式会社 機械学習器及び組み立て・試験器を備えた生産設備
CN106199174A (zh) * 2016-07-01 2016-12-07 广东技术师范学院 基于迁移学习的挤压机能耗异常预测方法
US10255681B2 (en) * 2017-03-02 2019-04-09 Adobe Inc. Image matting using deep learning

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Publication number Publication date
DE102018106808B4 (de) 2024-02-01
DE102018106808A1 (de) 2018-10-04
US20180281256A1 (en) 2018-10-04
JP2018167424A (ja) 2018-11-01
CN108688105A (zh) 2018-10-23
CN108688105B (zh) 2020-08-11

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